【WIDE RANGE】With WDR technology in 166° wide angle, elzoneta wireless video doorbell can catch every details and display high quality image for you. Built in 6pcs of 850nm diameter LED IR-Cut lights, allow you check status at least 5M distance, to help you monitor your home for 24hrs, even in the darkness. | 【Ultra-long Standby Time】With HUAWEI main control microchip in low power technology, use two 18650 batteries(batteries not included), this smart doorbell can work at least 8~12 months, never worry about electricity cut off. Built in 16G SD card, when motion detection happening, this video doorbell can take and save video automatically, you can check those videos anytime. | 【IP65 WATERPROOF】This door camera meet the ingress protection standard IP65, not only to prevent dust enter the device, but also can prevent daily life water enter the device. And it accept the temperature from -4℉/-20℃ ~ 122℉/50 ℃, even under the hot weather and the snow weather, this device can works well. | 【Two Way Audio】Built-in advanced microphone and speaker, you can talk and see the visitors with your phone from this door camera wireless. Remote Viewing, even you are not at home, you'll know who visit your home immediately from your phone's app. | 【WiFi Connection】Easy to setup, under the network: IEEE 802.11b/g/n, 2.4GHz band, search app name "ToSee" or scan QR code to download app(Pls note: pls input your password at the apple's store before you download). Support 2G/3G/4G network, 5G network can not work.